The tricky quest to create an artificial solar eclipse
Briefly

"Their occulting disk, made on a 3D printer, was suspended about two and a half feet in front of the telescope on thin, carbon-
"But for scientists, a total eclipse is also a brief, once-in-awhile quirk of orbital mechanics that lets them view of one of the most consequential parts of our star: the atmospheric layer called the corona.
Read at Washington Post
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